package com.common.utils;

import android.text.TextUtils;

public class StringUtils {

    public static boolean isEmpty(String content) {
        if (TextUtils.isEmpty(content) || content.trim().length() == 0
                || "null".equals(content) || "NULL".equals(content)) {
            return true;
        }
        return false;
    }

    public static boolean isLettersWithStr(String str) {
        if(isEmpty(str))
            return true;
        return str.matches("[a-zA-Z]+");
    }


}
